         "⎕ ⎕"
         "⎕ ⎕"]
        (maze/render-compressed-labyrinth
-        (maze/move-route-and-back (maze/parse-input "WW WW"))))))
+        (maze/move-route-and-back (maze/parse-input "WW WW")))))
+
+  (is (= ["⎕⎕⎕⎕⎕ ⎕"
+          "⎕     ⎕"
+          "⎕ ⎕⎕⎕⎕⎕"
+          "⎕ ⎕   ⎕"
+          "⎕ ⎕⎕⎕ ⎕"
+          "⎕     ⎕"
+          "⎕⎕⎕⎕⎕ ⎕"
+          "    ⎕ ⎕"
+          "⎕ ⎕⎕⎕ ⎕"
+          "⎕     ⎕"
+          "⎕⎕⎕⎕⎕⎕⎕"]
+         (maze/render-compressed-labyrinth
+          (maze/move-route-and-back
+           (maze/parse-input "WRWWLWWLWWLWLWRRWRWWWRWWRWLW WWRRWLWLWWLWWLWWRWWRWWLW"))))))
 
 (deftest longest
   (is (= "abc" (maze/longest "abc" "ab"))))
 
 (deftest non-unknown-row
   (is (= (count (:maze (maze/non-unknown-rows
-                        (parse-maze ["░░⎕ ⎕░░"
-                                     "░░⎕ ⎕░░"
-                                     "░░⎕ ⎕░░"
-                                     "░░⎕⎕⎕░░"
-                                     "░░░░░░░"
+                        (parse-maze ["░░   ░░"
+                                     "░░⎕ ⎕░░"
+                                     "░░⎕ ⎕░░"
+                                     "░░⎕ ⎕░░"
+                                     "░░⎕ ⎕░░"
+                                     "░░⎕ ⎕░░"
+                                     "░░   ░░"
                                      "░░░░░░░"]))))
-         4)))
+         5)))
 
 (deftest get-cells-with-coordinates
   (is (= [[0 0 \░] [0 1 \░] [0 2 \░]

(deftest only-non-unknown-columns
  (is (= ["⎕ ⎕"
          "⎕ ⎕"
          "⎕ ⎕"
          "⎕⎕⎕"] 
         (maze/render-compressed-labyrinth
          (maze/only-non-unknown-columns
           (parse-maze ["░░⎕A⎕░░"
                        "░░⎕ ⎕░░"
                        "░░⎕ ⎕░░"
                        "░░⎕⎕⎕░░"]))))))

(deftest non-unknown-rows
  (is (= ["⎕ ⎕"

(deftest first-non-unknown-index
  (is (= 2
         (maze/first-non-unknown-index
          (:maze (parse-maze ["░░ A ░░"
                              "░░⎕ ⎕░░"
                              "░░⎕ ⎕░░"
                              "░░⎕ ⎕░░"
                              "░░   ░░"
